The invention of modern xerography has made our work much easier.
现代复印术的发明让我们的工作轻松多了。
The invention of aircraft caused a revolution in our ways of travelling.
飞机的发明引起了旅行方式的巨大改变。
The invention of the computer marked the beginning of a new era.
计算机的发明标志着一个新时代的开始。
